Image
An image is a collection of pixels.
RGB
- It is an additive colour model.
- Various colours can be produced by adding R G B in different quantities.
- It is stored using 8 bits.
- When the proportion of all three is same grey colour is obtained , when 0, white and when it is 100 the black is obtained.
YUV
- It is a colour model which has 1 luminance-Y and 2 chrominance-UV components.
- It needs less memory.
- Y=U+V
- Y is the brightness of the image while U and V are the color components of the image.
RGB vs YUV
The above image shows how the same image is represented in both RGB vs YUV formats.
Raw image
Unprocessed image directly taken from the image sensor.